The Tarn is a 381-kilometre long river in southern France, right tributary of the Garonne.The Tarn runs in a roughly westerly direction, from its source at an elevation of 1,550 m on Mont Lozère in the Cévennes mountains, through the deep gorges and canyons of the Gorges du Tarn, to Moissac in Tarn-et-Garonne, where it joins the Garonne 4 km downstream from the centre of town. Read More
